期刊
NANO ENERGY
卷 67, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2019.104238
关键词
Self-healing; Transparence; Flexibility; Arbitrary tailorable; Moist-electric film generator
类别
资金
- National Key R&D Program of China [2017YFB1104300, 2016YFA0200200]
- NSFC [51673026, 51433005, 21805160]
- NSFC-MAECI [51861135202]
- NSFC-STINT [21911530143]
Spontaneous electric generation in ambient environment is attractive for revolutionary power supply systems. Herein, we report a moist-electric film generator (MEFG) that can simultaneously possess high flexibility, transparency and peculiarly self-healing ability derived from the rational combination of poly(4-styrensulfonic acid) with poly(vinyl alcohol). This flexible MEFG can be tailored and folded arbitrarily. A tiny piece of MEFG (2 mm(2)) will produce a considerable voltage of 0.6 V and a power of about 7.9 mu W cm(-2) under natural moisture. Even being cut off, MEFG can heal spontaneously and revive the flexibility, transparence and electric power with 100% healing efficiency. The high accumulated power by serial connection of MEFGs can be supplied on demand to viably drive commercial electronics regardless of being bent or broken severely. The self-powered wearable watch and display bulb are successfully achieved on the basis of MEFGs, which demonstrates the promising applications for next-generation versatile power sources.
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